January 13, 2026

Core Parameter Comparison The table below outlines the fundamental differences between 2205 and 2507 duplex steel flanges for a quick overview. Feature 2205 Duplex Steel Flange 2507 Duplex Steel Flange (Super Duplex) Key Alloy Composition​ Approx. 22% Chromium, 3% Molybdenum, 0.15-0.18% Nitrogen Approx. 25% Chromium, 4% Molybdenum, 0.24-0.32% Nitrogen Yield Strength​ ≥450 MPa ≥550 MPa […]